Gulf Harbor Marina Service is an Authorized Yamaha, Mercury and MerCruiser Service Center. Our technicians perform complete maintenance, diagnostics, repairs and factory warranty work across every Yamaha outboard family, backed by genuine OEM parts.
Flagship offshore power, built for the extremes.
The XTO Offshore® 450 packs everything boaters love about the original XTO outboard—the durability, power and reliability—plus extra horses. With impressive stats such as a 12.3:1 compression ratio for outstanding fuel economy and power, and industry-first features such as an integrated electric steering system and Phase Angle Control Charging, it's purpose-built for the extremes of going offshore.
The XTO Offshore® 425 is the result of years of collaboration with top boat designers and has been built from the ground up to provide the ultimate in power and efficiency offshore. With impressive stats such as a 12.2:1 compression ratio, industry firsts such as an electric steering system, and engineering touches such as iridium spark plugs and quad thermostats, it's purpose-built for extreme power, durability, control and reliability.
Call or visit our Nokomis yard and we will get your boat ready for the Gulf.